commit ae823e773536ee9b6cf97c575463f1a9902370d9
author Saurabh Shah <saurshah@codeaurora.org> Fri Oct 05 00:08:11 2012 -0400
committer Iliyan Malchev <malchev@google.com> Sun Oct 07 17:20:17 2012 -0700
tree 377948d58574ba1c15f374a297877577cb280de7
parent 6d9d168b0a429b615a055123a9020f496e712bed

hwc: more error checks

-- numHwLayers==1 means that there is only the FB_TARGET which HWC shouldn't
   draw. Also check for blank in set.  Checking for this in prepare prevents us
   from acquiring pipes.
-- add null check for private handle
-- print out vsync timestamp data on error

bug: 7274417
related-to-bug: 7288769
Change-Id: I8dae0d0748c5226fdc33ed8f5cc5259835dec2de
Signed-off-by: Iliyan Malchev <malchev@google.com>

libhwcomposer/hwc_vsync.cpp

diff --git a/libhwcomposer/hwc_vsync.cpp b/libhwcomposer/hwc_vsync.cpp
index 30b85f4..3053aaf 100644
--- a/libhwcomposer/hwc_vsync.cpp
+++ b/libhwcomposer/hwc_vsync.cpp
@@ -109,8 +109,9 @@
        if (!strncmp(str, "VSYNC=", strlen("VSYNC="))) {
           cur_timestamp = strtoull(str + strlen("VSYNC="), NULL, 0);
        } else {
-          ALOGE ("FATAL:%s:timestamp data not in correct format",
-                                                 __FUNCTION__);
+          ALOGE ("FATAL: %s: vsync timestamp not in correct format: [%s]",
+                  __FUNCTION__,
+                  str);
        }
        // send timestamp to HAL
        ALOGD_IF (VSYNC_DEBUG, "%s: timestamp %llu sent to HWC for %s",